"Information about backend development or backend systems" matching MCP connectors:

Read-only scripture-study engine: complete-or-fail concordance over Greek NT, Hebrew OT, LXX.

Scholarship database, GPA converter, visa guidance, and cost estimator for African postgraduate students. 172 full-ride + 61 full-tuition scholarships across 32 countries, 54 nationalities, 13 grading systems. 6 tools. No auth required.

Non-diagnostic child-development knowledge by Pinnacle Blooms: search, milestones, ICF crosswalk.

Kannada/English Carnatic flute KSGMS syllabus — search lessons, log practice, ask a RAG guru.

Multilingual YouTube → Knowledge Pack engine. Paste a video URL and get a structured pack — summary, key ideas, glossary, quiz, transcript with timestamps — in Spanish, Portuguese, German, or English. Anonymous endpoint plus OAuth-gated tools for library search, RAG Q&A on a single pack, and Anki export.

Biblical and theological research MCP server. Ask pastoral questions, run academic-grade queries across 2M+ scholarly passages (lexicons, commentaries, church fathers, Dead Sea Scrolls, Talmud), or search raw sources directly. Free, no API key required.

The most comprehensive everyday calculator MCP server — 501 tools across 22 categories covering 8 countries' tax systems (FR, BE, CH, CA, US, UK, MA, SN). Finance, health, math, science, construction, conversions, education, sport, cooking, travel, and more. Free, no API key required. Streamable HTTP transport.

Rehearse a talk or presentation and get instant feedback on your delivery.

Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text. Auto-graded quizzes.